Isogrid structure



FIG. 1 is a perspective view of an isogrid structure;

FIG. 2 is a side view of the isogrid structure shown in FIG. 1;

FIG. 3 is another side view of the isogrid structure shown in FIG. 1;

FIG. 4 is a bottom view of the isogrid structure shown in FIG. 1;

FIG. 5 is a top view of the isogrid structure shown in FIG. 1;

FIG. 6 is a side view of a portion of the isogrid structure shown in FIG. 1;

FIG. 7 is a side view of a portion of the isogrid structure shown in FIG. 1;

FIG. 8 is a perspective view of an isogrid structure shown in FIG. 1;

FIG. 9 is a side view of the isogrid structure shown in FIG. 8;

FIG. 10 is another side view of the isogrid structure shown in FIG. 8;

FIG. 11 is a bottom view of of the isogrid structure shown in FIG. 8;

FIG. 12 is a top view of the isogrid structure shown in FIG. 8;

FIG. 13 is a side view of the isogrid structure shown in FIG. 8; and,

FIG. 14 is a top view of an isogrid structure.

The broken lines shown in FIGS. 1-14 illustrate portions of the isogrid structure that form no part of the claimed design. 

CLAIM What is claimed is an ornamental design for an isogrid structure, as shown and described herein. 